mirror of https://github.com/KLayout/klayout.git
Edge enhancements
New binding: Edge#d (distance vector), Edge#clipped and Edge#clipped_line. "intersection_point" returns nil in case of no intersection. Documentation error fixed (Edge#distance).
This commit is contained in:
Matthias Koefferlein
parent
595075a88a
commit
6d8f56194b
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@ -851,7 +851,7 @@ public:
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*
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* Returns the distance between the edge and the point. The
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* distance is signed which is negative if the point is to the
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* "left" of the edge and positive if the point is to the "right".
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* "right" of the edge and positive if the point is to the "left".
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* The distance is measured by projecting the point onto the
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* line through the edge. If the edge is degenerated, the distance
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* is not defined.
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@ -72,9 +72,14 @@ struct edge_defs
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return box_type (e->p1 (), e->p2 ());
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}
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static point_type intersect_point (const C *e, const C &ee)
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static tl::Variant intersect_point (const C *e, const C &ee)
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{
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return e->intersect_point (ee).second;
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std::pair<bool, point_type> ip = e->intersect_point (ee);
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if (ip.first) {
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return tl::Variant (ip.second);
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} else {
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return tl::Variant ();
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}
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}
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static point_type crossing_point (const C *e, const C &ee)
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@ -82,6 +87,26 @@ struct edge_defs
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return e->crossed_by_point (ee).second;
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}
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static tl::Variant clipped (const C *e, const box_type &bx)
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{
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std::pair<bool, C> c = e->clipped (bx);
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if (c.first) {
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return tl::Variant (c.second);
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} else {
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return tl::Variant ();
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}
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}
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static tl::Variant clipped_line (const C *e, const box_type &bx)
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{
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std::pair<bool, C> c = e->clipped_line (bx);
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if (c.first) {
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return tl::Variant (c.second);
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} else {
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return tl::Variant ();
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}
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}
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static C &move_xy (C *e, coord_type dx, coord_type dy)
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{
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return e->move (vector_type (dx, dy));
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@ -143,34 +168,27 @@ struct edge_defs
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constructor ("new", &new_v,
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"@brief Default constructor: creates a degenerated edge 0,0 to 0,0"
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) +
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constructor ("new|#new_xyxy", &new_xyxy,
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constructor ("new|#new_xyxy", &new_xyxy, gsi::arg ("x1"), gsi::arg ("y1"), gsi::arg ("x2"), gsi::arg ("y2"),
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"@brief Constructor with two coordinates given as single values\n"
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"\n"
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"@args x1, y1, x2, y2\n"
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"\n"
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"Two points are given to create a new edge."
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) +
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constructor ("new|#new_pp", &new_pp,
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constructor ("new|#new_pp", &new_pp, gsi::arg ("p1"), gsi::arg ("p2"),
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"@brief Constructor with two points\n"
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"\n"
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"@args p1, p2\n"
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"\n"
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"Two points are given to create a new edge."
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) +
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method ("<", &C::less,
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method ("<", &C::less, gsi::arg ("e"),
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"@brief Less operator\n"
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"@args e\n"
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"@param e The object to compare against\n"
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"@return True, if the edge is 'less' as the other edge with respect to first and second point"
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) +
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method ("==", &C::equal,
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method ("==", &C::equal, gsi::arg ("e"),
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"@brief Equality test\n"
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"@args e\n"
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"@param e The object to compare against"
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) +
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method ("!=", &C::not_equal,
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method ("!=", &C::not_equal, gsi::arg ("e"),
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"@brief Inequality test\n"
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"@args e\n"
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"@param e The object to compare against"
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) +
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method_ext ("hash", &hash_value,
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@ -179,9 +197,8 @@ struct edge_defs
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"\n"
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"This method has been introduced in version 0.25.\n"
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) +
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method ("moved", &C::moved,
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method ("moved", &C::moved, gsi::arg ("p"),
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"@brief Returns the moved edge (does not modify self)\n"
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"@args p\n"
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"\n"
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"Moves the edge by the given offset and returns the \n"
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"moved edge. The edge is not modified.\n"
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@ -190,9 +207,8 @@ struct edge_defs
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"\n"
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"@return The moved edge.\n"
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) +
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method_ext ("moved", &moved_xy,
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method_ext ("moved", &moved_xy, gsi::arg ("dx"), gsi::arg ("dy"),
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"@brief Returns the moved edge (does not modify self)\n"
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"@args dx, dy\n"
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"\n"
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"Moves the edge by the given offset and returns the \n"
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"moved edge. The edge is not modified.\n"
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@ -204,9 +220,8 @@ struct edge_defs
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"\n"
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"This version has been added in version 0.23.\n"
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) +
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method ("enlarged", &C::enlarged,
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method ("enlarged", &C::enlarged, gsi::arg ("p"),
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"@brief Returns the enlarged edge (does not modify self)\n"
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"@args p\n"
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"\n"
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"Enlarges the edge by the given offset and returns the \n"
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"enlarged edge. The edge is not modified. Enlargement means\n"
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@ -216,9 +231,8 @@ struct edge_defs
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"\n"
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"@return The enlarged edge.\n"
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) +
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method ("extended", &C::extended,
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method ("extended", &C::extended, gsi::arg ("d"),
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"@brief Returns the extended edge (does not modify self)\n"
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"@args d\n"
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"\n"
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"Extends the edge by the given distance and returns the \n"
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"extended edge. The edge is not modified. Extending means\n"
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@ -233,9 +247,8 @@ struct edge_defs
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"\n"
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"@return The extended edge.\n"
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) +
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method ("extend", &C::extend,
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method ("extend", &C::extend, gsi::arg ("d"),
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"@brief Extends the edge (modifies self)\n"
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"@args d\n"
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"\n"
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"Extends the edge by the given distance and returns the \n"
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"extended edge. The edge is not modified. Extending means\n"
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@ -250,9 +263,8 @@ struct edge_defs
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"\n"
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"@return The extended edge (self).\n"
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) +
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method ("shifted", &C::shifted,
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method ("shifted", &C::shifted, gsi::arg ("d"),
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"@brief Returns the shifted edge (does not modify self)\n"
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"@args d\n"
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"\n"
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"Shifts the edge by the given distance and returns the \n"
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"shifted edge. The edge is not modified. Shifting by a positive value "
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@ -267,9 +279,8 @@ struct edge_defs
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"\n"
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"@return The shifted edge.\n"
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) +
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method ("shift", &C::shift,
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method ("shift", &C::shift, gsi::arg ("d"),
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"@brief Shifts the edge (modifies self)\n"
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"@args d\n"
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"\n"
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"Shifts the edge by the given distance and returns the \n"
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"shifted edge. The edge is not modified. Shifting by a positive value "
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@ -284,9 +295,8 @@ struct edge_defs
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"\n"
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"@return The shifted edge (self).\n"
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) +
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method ("transformed", &C::template transformed<simple_trans_type>,
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method ("transformed", &C::template transformed<simple_trans_type>, gsi::arg ("t"),
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"@brief Transform the edge.\n"
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"@args t\n"
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"\n"
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"Transforms the edge with the given transformation.\n"
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"Does not modify the edge but returns the transformed edge.\n"
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@ -295,9 +305,8 @@ struct edge_defs
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"\n"
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"@return The transformed edge.\n"
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) +
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method ("transformed|#transformed_cplx", &C::template transformed<complex_trans_type>,
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method ("transformed|#transformed_cplx", &C::template transformed<complex_trans_type>, gsi::arg ("t"),
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"@brief Transform the edge.\n"
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"@args t\n"
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"\n"
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"Transforms the edge with the given complex transformation.\n"
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"Does not modify the edge but returns the transformed edge.\n"
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@ -306,9 +315,8 @@ struct edge_defs
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"\n"
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"@return The transformed edge.\n"
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) +
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method ("move", &C::move,
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method ("move", &C::move, gsi::arg ("p"),
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"@brief Moves the edge.\n"
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"@args p\n"
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"\n"
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"Moves the edge by the given offset and returns the \n"
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"moved edge. The edge is overwritten.\n"
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@ -317,9 +325,8 @@ struct edge_defs
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"\n"
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"@return The moved edge.\n"
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) +
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method_ext ("move", &move_xy,
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method_ext ("move", &move_xy, gsi::arg ("dx"), gsi::arg ("dy"),
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"@brief Moves the edge.\n"
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"@args dx, dy\n"
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"\n"
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"Moves the edge by the given offset and returns the \n"
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"moved edge. The edge is overwritten.\n"
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@ -331,9 +338,8 @@ struct edge_defs
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"\n"
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"This version has been added in version 0.23.\n"
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) +
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method ("enlarge", &C::enlarge,
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method ("enlarge", &C::enlarge, gsi::arg ("p"),
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"@brief Enlarges the edge.\n"
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"@args p\n"
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"\n"
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"Enlarges the edge by the given distance and returns the \n"
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"enlarged edge. The edge is overwritten.\n"
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@ -347,17 +353,15 @@ struct edge_defs
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method ("p1", &C::p1,
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"@brief The first point.\n"
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) +
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method_ext ("p1=", &set_p1,
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method_ext ("p1=", &set_p1, gsi::arg ("point"),
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"@brief Sets the first point.\n"
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"@args point\n"
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"This method has been added in version 0.23."
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) +
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method ("p2", &C::p2,
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"@brief The second point.\n"
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) +
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method_ext ("p2=", &set_p2,
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method_ext ("p2=", &set_p2, gsi::arg ("point"),
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"@brief Sets the second point.\n"
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"@args point\n"
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"This method has been added in version 0.23."
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) +
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method ("dx", &C::dx,
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@ -369,33 +373,29 @@ struct edge_defs
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method ("x1", &C::x1,
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"@brief Shortcut for p1.x\n"
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) +
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method_ext ("x1=", &set_x1,
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method_ext ("x1=", &set_x1, gsi::arg ("coord"),
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"@brief Sets p1.x\n"
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"@args coord\n"
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"This method has been added in version 0.23."
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) +
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method ("y1", &C::y1,
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"@brief Shortcut for p1.y\n"
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) +
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method_ext ("y1=", &set_y1,
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method_ext ("y1=", &set_y1, gsi::arg ("coord"),
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"@brief Sets p1.y\n"
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"@args coord\n"
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"This method has been added in version 0.23."
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) +
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method ("x2", &C::x2,
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"@brief Shortcut for p2.x\n"
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) +
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method_ext ("x2=", &set_x2,
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method_ext ("x2=", &set_x2, gsi::arg ("coord"),
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"@brief Sets p2.x\n"
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"@args coord\n"
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"This method has been added in version 0.23."
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) +
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method ("y2", &C::y2,
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"@brief Shortcut for p2.y\n"
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) +
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method_ext ("y2=", &set_y2,
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method_ext ("y2=", &set_y2, gsi::arg ("coord"),
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"@brief Sets p2.y\n"
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"@args coord\n"
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"This method has been added in version 0.23."
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) +
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method ("dx_abs", &C::dx_abs,
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@ -423,9 +423,8 @@ struct edge_defs
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"\n"
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"@return The orthogonal length (abs(dx)+abs(dy))\n"
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) +
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constructor ("from_s", &from_string,
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constructor ("from_s", &from_string, gsi::arg ("s"),
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"@brief Creates an object from a string\n"
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"@args s\n"
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"Creates the object from a string representation (as returned by \\to_s)\n"
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"\n"
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"This method has been added in version 0.23.\n"
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@ -433,19 +432,16 @@ struct edge_defs
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method ("to_s", (std::string (C::*) () const) &C::to_string,
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"@brief Returns a string representing the edge\n"
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) +
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method ("is_parallel?", &C::parallel,
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method ("is_parallel?", &C::parallel, gsi::arg ("e"),
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"@brief Test for being parallel\n"
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"@args e\n"
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"\n"
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"@param e The edge to test against\n"
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"\n"
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"@return True if both edges are parallel\n"
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) +
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method ("*", &C::scaled,
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method ("*", &C::scaled, gsi::arg ("scale_factor"),
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"@brief Scale edge\n"
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"\n"
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"@args scale_factor\n"
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"\n"
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"The * operator scales self with the given factor.\n"
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"\n"
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"This method has been introduced in version 0.22.\n"
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@ -454,9 +450,8 @@ struct edge_defs
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"\n"
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"@return The scaled edge\n"
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) +
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method ("contains?", &C::contains,
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method ("contains?", &C::contains, gsi::arg ("p"),
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"@brief Test whether a point is on an edge.\n"
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"@args p\n"
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"\n"
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"A point is on a edge if it is on (or at least closer \n"
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"than a grid point to) the edge.\n"
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@ -465,9 +460,8 @@ struct edge_defs
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"\n"
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"@return True if the point is on the edge.\n"
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) +
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method ("contains_excl?", &C::contains_excl,
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method ("contains_excl?", &C::contains_excl, gsi::arg ("p"),
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"@brief Test whether a point is on an edge excluding the endpoints.\n"
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"@args p\n"
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"\n"
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"A point is on a edge if it is on (or at least closer \n"
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"than a grid point to) the edge.\n"
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@ -476,9 +470,8 @@ struct edge_defs
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"\n"
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"@return True if the point is on the edge but not equal p1 or p2.\n"
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) +
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method ("coincident?", &C::coincident,
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method ("coincident?", &C::coincident, gsi::arg ("e"),
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"@brief Coincidence check.\n"
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"@args e\n"
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"\n"
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"Checks whether a edge is coincident with another edge. \n"
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"Coincidence is defined by being parallel and that \n"
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@ -488,9 +481,8 @@ struct edge_defs
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"\n"
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"@return True if the edges are coincident.\n"
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) +
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method ("intersect?", &C::intersect,
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method ("intersect?", &C::intersect, gsi::arg ("e"),
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"@brief Intersection test. \n"
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"@args e\n"
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"\n"
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"Returns true if the edges intersect. Two edges intersect if they share at least one point. \n"
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"If the edges coincide, they also intersect.\n"
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@ -499,9 +491,8 @@ struct edge_defs
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"\n"
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"@param e The edge to test.\n"
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) +
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method_ext ("intersection_point", &intersect_point,
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method_ext ("intersection_point", &intersect_point, gsi::arg ("e"),
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"@brief Returns the intersection point of two edges. \n"
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"@args e\n"
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"\n"
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"This method delivers the intersection point. If the edges do not intersect, the result is undefined.\n"
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"\n"
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@ -509,14 +500,39 @@ struct edge_defs
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"@return The point where the edges intersect.\n"
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"\n"
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"This method has been introduced in version 0.19.\n"
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"From version 0.26.2, this method will return nil in case of non-intersection.\n"
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) +
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method ("distance", &C::distance,
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method_ext ("clipped", &clipped, gsi::arg ("box"),
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"@brief Returns the edge clipped at the given box\n"
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"\n"
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"@param box The clip box.\n"
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"@return The clipped edge or nil if the edge does not intersect with the box.\n"
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"\n"
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"This method has been introduced in version 0.26.2.\n"
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) +
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method_ext ("clipped_line", &clipped_line, gsi::arg ("box"),
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"@brief Returns the line through the edge clipped at the given box\n"
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"\n"
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"@param box The clip box.\n"
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"@return The part of the line through the box or nil if the line does not intersect with the box.\n"
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"\n"
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"In contrast to \\clipped, this method will consider the edge exended infinitely (a \"line\"). "
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"The returned edge will be the part of this line going through the box.\n"
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"\n"
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"This method has been introduced in version 0.26.2.\n"
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) +
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method ("d", &C::d,
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"@brief Gets the edge extension as a vector.\n"
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"This method is equivalent to p2 - p1."
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"\n"
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"This method has been introduced in version 0.26.2.\n"
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) +
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method ("distance", &C::distance, gsi::arg ("p"),
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"@brief Distance between the edge and a point.\n"
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"@args p\n"
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"\n"
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"Returns the distance between the edge and the point. The \n"
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"distance is signed which is negative if the point is to the\n"
|
||||
"\"left\" of the edge and positive if the point is to the \"right\".\n"
|
||||
"\"right\" of the edge and positive if the point is to the \"left\".\n"
|
||||
"The distance is measured by projecting the point onto the\n"
|
||||
"line through the edge. If the edge is degenerated, the distance\n"
|
||||
"is not defined.\n"
|
||||
|
|
@ -525,9 +541,8 @@ struct edge_defs
|
|||
"\n"
|
||||
"@return The distance\n"
|
||||
) +
|
||||
method ("side_of", &C::side_of,
|
||||
method ("side_of", &C::side_of, gsi::arg ("p"),
|
||||
"@brief Indicates at which side the point is located relative to the edge.\n"
|
||||
"@args p\n"
|
||||
"\n"
|
||||
"Returns 1 if the point is \"left\" of the edge, 0 if on\n"
|
||||
"and -1 if the point is \"right\" of the edge.\n"
|
||||
|
|
@ -536,9 +551,8 @@ struct edge_defs
|
|||
"\n"
|
||||
"@return The side value\n"
|
||||
) +
|
||||
method ("distance_abs", &C::distance_abs,
|
||||
method ("distance_abs", &C::distance_abs, gsi::arg ("p"),
|
||||
"@brief Absolute distance between the edge and a point.\n"
|
||||
"@args p\n"
|
||||
"\n"
|
||||
"Returns the distance between the edge and the point. \n"
|
||||
"\n"
|
||||
|
|
@ -561,9 +575,8 @@ struct edge_defs
|
|||
"\n"
|
||||
"This method has been introduced in version 0.23.\n"
|
||||
) +
|
||||
method ("crossed_by?", &C::crossed_by,
|
||||
method ("crossed_by?", &C::crossed_by, gsi::arg ("e"),
|
||||
"@brief Check, if an edge is cut by a line (given by an edge)\n"
|
||||
"@args e\n"
|
||||
"\n"
|
||||
"This method returns true if p1 is in one semispace \n"
|
||||
"while p2 is in the other or one of them is on the line\n"
|
||||
|
|
@ -571,9 +584,8 @@ struct edge_defs
|
|||
"\n"
|
||||
"@param e The edge representing the line that the edge must be crossing.\n"
|
||||
) +
|
||||
method_ext ("crossing_point", &crossing_point,
|
||||
method_ext ("crossing_point", &crossing_point, gsi::arg ("e"),
|
||||
"@brief Returns the crossing point on two edges. \n"
|
||||
"@args e\n"
|
||||
"\n"
|
||||
"This method delivers the point where the given edge (self) crosses the line given "
|
||||
"by the edge in argument \"e\". If self does not cross this line, the result is undefined. "
|
||||
|
|
@ -611,9 +623,8 @@ Class<db::Edge> decl_Edge ("db", "Edge",
|
|||
"\n"
|
||||
"This method has been introduced in version 0.25."
|
||||
) +
|
||||
method ("transformed", &db::Edge::transformed<db::ICplxTrans>,
|
||||
method ("transformed", &db::Edge::transformed<db::ICplxTrans>, gsi::arg ("t"),
|
||||
"@brief Transform the edge.\n"
|
||||
"@args t\n"
|
||||
"\n"
|
||||
"Transforms the edge with the given complex transformation.\n"
|
||||
"Does not modify the edge but returns the transformed edge.\n"
|
||||
|
|
@ -661,11 +672,9 @@ Class<db::DEdge> decl_DEdge ("db", "DEdge",
|
|||
"\n"
|
||||
"This method has been introduced in version 0.25."
|
||||
) +
|
||||
method ("transformed", &db::DEdge::transformed<db::VCplxTrans>,
|
||||
method ("transformed", &db::DEdge::transformed<db::VCplxTrans>, gsi::arg ("t"),
|
||||
"@brief Transforms the edge with the given complex transformation\n"
|
||||
"\n"
|
||||
"@args t\n"
|
||||
"\n"
|
||||
"@param t The magnifying transformation to apply\n"
|
||||
"@return The transformed edge (in this case an integer coordinate edge)\n"
|
||||
"\n"
|
||||
|
|
|
|||
|
|
@ -104,6 +104,7 @@ class DBEdge_TestClass < TestBase
|
|||
|
||||
assert_equal( a.intersect?( RBA::DEdge::new( -1, -1, 1, 5 ) ), true )
|
||||
assert_equal( a.intersection_point( RBA::DEdge::new( -1, -1, 1, 5 ) ).to_s, "0,2" )
|
||||
assert_equal( a.intersection_point( RBA::DEdge::new( -1, 3, 1, 5 ) ) == nil, true )
|
||||
assert_equal( a.intersect?( RBA::DEdge::new( -1, 11, 1, 15 ) ), false )
|
||||
assert_equal( a.distance( RBA::DPoint::new( 3, 3 ) ), 1.0 )
|
||||
assert_equal( a.distance( RBA::DPoint::new( 3, 1 ) ), -1.0 )
|
||||
|
|
@ -162,6 +163,7 @@ class DBEdge_TestClass < TestBase
|
|||
assert_equal( a.dy, -9 )
|
||||
assert_equal( a.dx_abs, 16 )
|
||||
assert_equal( a.dy_abs, 9 )
|
||||
assert_equal( a.d.to_s, "16,-9" )
|
||||
assert_equal( a.is_degenerate?, false )
|
||||
|
||||
c = a.dup;
|
||||
|
|
@ -217,6 +219,7 @@ class DBEdge_TestClass < TestBase
|
|||
|
||||
assert_equal( a.intersect?( RBA::Edge::new( RBA::Point::new( -1, -1 ), RBA::Point::new( 1, 5 ) ) ), true )
|
||||
assert_equal( a.intersection_point( RBA::Edge::new( RBA::Point::new( -1, -1 ), RBA::Point::new( 1, 5 ) ) ).to_s, "0,2" )
|
||||
assert_equal( a.intersection_point( RBA::Edge::new( RBA::Point::new( -1, 3 ), RBA::Point::new( 1, 5 ) ) ) == nil, true )
|
||||
assert_equal( a.intersect?( RBA::Edge::new( RBA::Point::new( -1, 11 ), RBA::Point::new( 1, 15 ) ) ), false )
|
||||
assert_equal( a.distance( RBA::Point::new( 3, 3 ) ), 1.0 )
|
||||
assert_equal( a.distance( RBA::Point::new( 3, 1 ) ), -1.0 )
|
||||
|
|
@ -288,6 +291,39 @@ class DBEdge_TestClass < TestBase
|
|||
|
||||
end
|
||||
|
||||
# Clipped
|
||||
def test_4_clip
|
||||
|
||||
e = RBA::Edge::new(0, 0, 1000, 2000)
|
||||
|
||||
assert_equal(e.clipped(RBA::Box::new(100, 0, 200, 2000)).to_s, "(100,200;200,400)")
|
||||
assert_equal(e.clipped(RBA::Box::new(100, 1000, 200, 2000)) == nil, true)
|
||||
assert_equal(e.clipped(RBA::Box::new(1000, 0, 1100, 3000)).to_s, "(1000,2000;1000,2000)")
|
||||
assert_equal(e.clipped(RBA::Box::new(1001, 0, 1100, 3000)) == nil, true)
|
||||
assert_equal(e.clipped(RBA::Box::new(-100, -100, 200, 2000)).to_s, "(0,0;200,400)")
|
||||
|
||||
assert_equal(e.clipped_line(RBA::Box::new(100, 0, 200, 2000)).to_s, "(100,200;200,400)")
|
||||
assert_equal(e.clipped_line(RBA::Box::new(100, 1000, 200, 2000)) == nil, true)
|
||||
assert_equal(e.clipped_line(RBA::Box::new(1000, 0, 1100, 3000)).to_s, "(1000,2000;1100,2200)")
|
||||
assert_equal(e.clipped_line(RBA::Box::new(1001, 0, 1100, 3000)).to_s, "(1001,2002;1100,2200)")
|
||||
assert_equal(e.clipped_line(RBA::Box::new(-100, -100, 200, 2000)).to_s, "(-50,-100;200,400)")
|
||||
|
||||
e = RBA::DEdge::new(0, 0, 1000, 2000)
|
||||
|
||||
assert_equal(e.clipped(RBA::DBox::new(100, 0, 200, 2000)).to_s, "(100,200;200,400)")
|
||||
assert_equal(e.clipped(RBA::DBox::new(100, 1000, 200, 2000)) == nil, true)
|
||||
assert_equal(e.clipped(RBA::DBox::new(1000, 0, 1100, 3000)).to_s, "(1000,2000;1000,2000)")
|
||||
assert_equal(e.clipped(RBA::DBox::new(1001, 0, 1100, 3000)) == nil, true)
|
||||
assert_equal(e.clipped(RBA::DBox::new(-100, -100, 200, 2000)).to_s, "(0,0;200,400)")
|
||||
|
||||
assert_equal(e.clipped_line(RBA::DBox::new(100, 0, 200, 2000)).to_s, "(100,200;200,400)")
|
||||
assert_equal(e.clipped_line(RBA::DBox::new(100, 1000, 200, 2000)) == nil, true)
|
||||
assert_equal(e.clipped_line(RBA::DBox::new(1000, 0, 1100, 3000)).to_s, "(1000,2000;1100,2200)")
|
||||
assert_equal(e.clipped_line(RBA::DBox::new(1001, 0, 1100, 3000)).to_s, "(1001,2002;1100,2200)")
|
||||
assert_equal(e.clipped_line(RBA::DBox::new(-100, -100, 200, 2000)).to_s, "(-50,-100;200,400)")
|
||||
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
load("test_epilogue.rb")
|
||||
|
|
|
|||
Loading…
Reference in New Issue